docker run -i -t --gpus all -v /media/ai_data/cwh/OpenPCDet:/home/OpenPCDet scrin/dev-spconv /bin/bash

docker run -i -t --gpus all -v /home/cwh8szh/OpenPCDet:/home/OpenPCDet scrin/dev-spconv /bin/bash


python -m pcdet.datasets.kitti.kitti_dataset create_kitti_infos tools/cfgs/dataset_configs/kitti_dataset.yaml


python train.py --cfg_file cfgs/kitti_models/second.yaml --batch_size 2 --epochs 20 --pretrained_model ../checkpoints/second_7862.pth
sh scripts/dist_train.sh ${4} ${cfgs/kitti_models/second.yaml} --batch_size 2 --epochs 20 --pretrained_model ../checkpoints/second_7862.pth
python -m torch.distributed.launch --nproc_per_node=4 train.py --launcher pytorch --cfg_file cfgs/kitti_models/second.yaml --batch_size 2 --epochs 20




torch.cuda.is_available()